Passive is movement
What will be an ideal response?
with the gradient
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The loading of sugars into phloem goes __________ the concentration gradient and involves
a(n) __________ process.
a. against; active b. against; passive c. with; active d. with; passive
If a bonded female vole is injected with a chemical that blocks the action of oxytocin, she is likely to:
a. behave promiscuously b. become aggressive c. stop eating d. lose the ability to differentiate between food and non-food items e. be sexually receptive only to her partner
Carbohydrates are used in our bodies mainly for _____.
A. membrane construction B. structural molecules, such as hair and fingernails C. building genetic material D. energy storage and release E. lipid storage
The essential amino acids
A) must be obtained from the food we eat. B) are found only in green, leafy vegetables. C) are essential as an energy source. D) are required for making nucleic acids.